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Keyword Table

Keyword
Definition
Languages
Category
Notes
Text
_ (underscore)
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A
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html
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ABBR
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html
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ABSTRACT
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c#, julia, rust, scala, agda, php, java
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ACRONYM
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html
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ADD
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c#
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ADDRESS
A new structure-related tag in HTML5 that defines an area for contact information for a page or section.
html
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ALIAS
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c#, ruby
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ALIGN-CONTENT
Sets the alignment value for an entire row of direct children. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.
css
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ALIGN-ITEMS
Sets the alignment value for direct children. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.
css
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ALIGN-SELF
Sets the alignment value for an element. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.
css
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ALIGNAS
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c++
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ALIGNOF
queries alignment requirements of a type
c++, rust
Returns the alignment, in bytes
Operator
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ALL
Returns true if all of the items in a given list are True
python, css
inbuilt function
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ALWAYS
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verilog
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AND
will result into True only if both the operands are True
python, ocaml, afl, verilog, php, c++, ruby
Logical Operators
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AND_EQ
Used as an alternative for &=
c++
Operator
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ANIMATION
A shorthand property for defining animation between CSS styles
css
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ANIMATION-COUNT
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css
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ANIMATION-DELAY
Sets when an animation starts
css
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ANIMATION-DIRECTION
Sets whether an animation plays forwards, backwards, alternating, or reverse-alternating
css
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ANIMATION-DURATION
Sets the length of time that an animation takes
css
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ANIMATION-TIMING-FUNCTION
Sets a function that defines how an animation progresses through an animation cycle
css
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ANIMATION-FILL-MODE
Sets how an animation applies CSS styles before and after the animation
css
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ANIMATION-NAME
Sets one or more animation names for an element. Names refer to a @keyframes rule that defines the properties of an animation itself.
css
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ANIMATION-PLAY-STATE
Sets whether an animation is running or paused
css
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ANY
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typescript, python
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APPLET
Defines an embedded applet. This tag is not support in HTML5. Use instead.
html
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AREA
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html
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ARGUMENTS
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javascript
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ARRAY
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php
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ARTICLE
This tag defines an article, such as a magazine or newspaper article, blog post, or
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similar content.
html
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AS
used to create an alias while importing a module, giving a different name to a module while importing it
c#, swift, python, rust, ocaml, typescript, php, haskell
References
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ASCENDING
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c#
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ASIDE
This tag defines content that’s separate from but related to the page content; similar
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to a sidebar in book chapters and magazine articles.
html
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ASM
used to embed assembly language source code within a C++ program
c++
Declaration
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ASR
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ocaml
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ASSERT
used for debugging purposes by checking the internal state or if assumptions are true
ocaml, java, python
Debugging
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ASSIGN
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verilog
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ASSOCIATEDTYPE
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swift
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ASSOCIATIVITY
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swift
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ASYNC
coroutine keywords that denote the beginning of an asynchronous function (work in parallel). Usually followed by await keyword.
c#, python
User Defined Structures
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ATOMIC_CANCEL
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c++
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ATOMIC_COMMIT
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c++
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ATOMIC_NOEXCEPT
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c++
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AUDIO
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html
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AUTO
specifies that the return type will be deduced from its return statements
c++, c
Type specifier
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AVAILABLE
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​
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AWAIT
coroutine keywords that denote the beginning of a promise within an asynchronous function.
c#, javascript, python
User Defined Structures
There can be as many await keywords within a function as needed.
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B
Used for bold text in an HTML document
html
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BACKFACE-VISIBILITY
It is used to determine whether the back of the element is visible when it has been rotated and its back is facing the user
css
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BACKGROUND
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css
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BACKGROUND-ATTACHMENT
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css
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BACKGROUND-CLIP
lets you control how far a background image or color extends beyond an element's padding or content
css
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BACKGROUND-COLOR
applies solid colors as background on an element
css
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BACKGROUND-IMAGE
applies a graphic or gradient to the background of an element
css
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BACKGROUND-MODE
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css
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BACKGROUND-ORIGIN
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css
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BACKGROUND-POSITION
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css
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BACKGROUND-REPEAT
if the background image property is specified, it defines how it will repeat
css
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BACKGROUND-SIZE
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css
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BAREMODULE
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julia
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BASE
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c#, html
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BASEFONT
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html
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BDI
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html
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BDO
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html
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BECOME
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rust
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BEGIN
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julia, verilog, ocaml, ruby
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BIG
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html
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BITAND
used as an alternative for &
c++
Logical operator
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BITOR
used as an alternative for
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c++
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BITSTYPE
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julia
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BLOCKQUOTE
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html
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BODY
Marks the content of the page that gets rendered on the browser. It can have paragraphs, headings, tables, images etc.
html
References
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BOOL
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c#, c++, python
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BOOLEAN
A binary value commonly used to denote 'true' or 'false'
typescript, java
'truth-values'
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BORDER
Used to specify color, image, width, spacing etc. of the border around an element
css
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BORDER-BOTTOM
Used to set the style of bottom border of element. e.g. h1 {border-bottom: 10px solid black;}
css
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BORDER-COLLAPSE
Used usually to define border property of cells in a table, to set whether the border of cells should collapse or remain separate. e.g. #table1{border-collapse: separate;}
css
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BORDER-COLOR
Used to set the color of the border. It can accept single or multiple values. If a single value is mentioned then all the border sides are of that color otherwise its dependent on the order in which colors are specified. e.g. div {border-color: red;}. It can also accept hexadecimal color codes
css
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BORDER-IMAGE
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css
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BORDER-LEFT
Used to specifically set the left border of an element.
css
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BORDER-OUTSET
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css
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BORDER-RADIUS
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css
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BORDER-REPEAT
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css
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BORDER-RIGHT
Used to specifically set the right border of an element.
css
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BORDER-SLICE
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css
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BORDER-SOURCE
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css
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BORDER-SPACING
Used to set spacing between the borders of adjacent cells. This property works when the border-collapse property is set to separate. e.g. {border-collapse: separate; border-spacing: 20px;} This would set spacing of 20px between table cells from all sides.
css
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BORDER-STYLE
Used to set the style of the border around four sides of an element.
css
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BORDER-TOP
Used to specifically set the top border of an element.
css
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BORDER-WIDTH
Poperty is used to specify the width of the four borders around an element.
css
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BOTTOM
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css
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BOX
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rust
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BOX-BREAK
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css
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BOX-SHADOW
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css
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BOX-SIZING
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css
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BR
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html
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BREAK
used to alter the loop's normal behavior; this will end the smallest loop it is in and control flows to the statement immediately below the loop
c#, java, swift, javascript, python, julia, golang, rust, c, typescript, afl, php, c++, ruby
Loops
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BREAK-AFTER
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css
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BREAK-BEFORE
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css
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BREAK-INSIDE
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css
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BROKEN
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​
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BUF
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verilog
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BUFIF0
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verilog
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BUFIF1
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verilog
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BUG
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​
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BUTTON
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html
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BYTE
Unit of measuring memory space. 1 Byte = 8 bits.
c#, java, c++, c
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CALLABLE
callable function checks and returns True if the object passed appears to be callable, otherwise False.
php, python
inbuilt function
There may be few cases where callable() returns true, but the call to object fails. But if a case returns False, calling object will never succeed.
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CANVAS
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html
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CAPTION
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html
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CAPTION-SIDE
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css
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CARET-COLOR
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css
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CASE
Used in switch statements. Each case keyword is followed by a possible value for the condition
c#, java, swift, javascript, golang, php, bash, scala, typescript, afl, verilog, c++, haskell, c, ruby
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CASEX
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verilog
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CASEZ
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verilog
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CATCH
Used along with try to handle an exception thrown in try block. Catch block contains code to handle the specific exception thrown.
c#, swift, javascript, julia, php, scala, typescript, c++, java
Exceptions
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CENTER
Used as the property value to center the text of the element. e.g. div {text-align: center;} would align the text in this element to center.
html
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CHAN
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golang
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Keyword	Definition	Languages	Category	Notes
_ (underscore)
A		html
ABBR		html
ABSTRACT		c#, julia, rust, scala, agda, php, java
ACRONYM		html
ADD		c#
ADDRESS	A new structure-related tag in HTML5 that defines an area for contact information for a page or section.	html
ALIAS		c#, ruby
ALIGN-CONTENT	Sets the alignment value for an entire row of direct children. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.	css
ALIGN-ITEMS	Sets the alignment value for direct children. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.	css
ALIGN-SELF	Sets the alignment value for an element. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.	css
ALIGNAS		c++
ALIGNOF	queries alignment requirements of a type	c++, rust	Returns the alignment, in bytes	Operator
ALL	Returns true if all of the items in a given list are True	python, css	inbuilt function
ALWAYS		verilog
AND	will result into True only if both the operands are True	python, ocaml, afl, verilog, php, c++, ruby	Logical Operators
AND_EQ	Used as an alternative for &=	c++	Operator
ANIMATION	A shorthand property for defining animation between CSS styles	css
ANIMATION-COUNT		css
ANIMATION-DELAY	Sets when an animation starts	css
ANIMATION-DIRECTION	Sets whether an animation plays forwards, backwards, alternating, or reverse-alternating	css
ANIMATION-DURATION	Sets the length of time that an animation takes	css
ANIMATION-TIMING-FUNCTION	Sets a function that defines how an animation progresses through an animation cycle	css
ANIMATION-FILL-MODE	Sets how an animation applies CSS styles before and after the animation	css
ANIMATION-NAME	Sets one or more animation names for an element. Names refer to a @keyframes rule that defines the properties of an animation itself.	css
ANIMATION-PLAY-STATE	Sets whether an animation is running or paused	css
ANY		typescript, python
APPLET	Defines an embedded applet. This tag is not support in HTML5. Use instead.	html
AREA		html
ARGUMENTS		javascript
ARRAY		php
ARTICLE	This tag defines an article, such as a magazine or newspaper article, blog post, or
similar content.	html
AS	used to create an alias while importing a module, giving a different name to a module while importing it	c#, swift, python, rust, ocaml, typescript, php, haskell	References
ASCENDING		c#
ASIDE	This tag defines content that’s separate from but related to the page content; similar
to a sidebar in book chapters and magazine articles.	html
ASM	used to embed assembly language source code within a C++ program	c++	Declaration
ASR		ocaml
ASSERT	used for debugging purposes by checking the internal state or if assumptions are true	ocaml, java, python	Debugging
ASSIGN		verilog
ASSOCIATEDTYPE		swift
ASSOCIATIVITY		swift
ASYNC	coroutine keywords that denote the beginning of an asynchronous function (work in parallel). Usually followed by `await` keyword.	c#, python	User Defined Structures
ATOMIC_CANCEL		c++
ATOMIC_COMMIT		c++
ATOMIC_NOEXCEPT		c++
AUDIO		html
AUTO	specifies that the return type will be deduced from its return statements	c++, c	Type specifier
AVAILABLE
AWAIT	coroutine keywords that denote the beginning of a promise within an asynchronous function.	c#, javascript, python	User Defined Structures	There can be as many `await` keywords within a function as needed.
B	Used for bold text in an HTML document	html
BACKFACE-VISIBILITY	It is used to determine whether the back of the element is visible when it has been rotated and its back is facing the user	css
BACKGROUND		css
BACKGROUND-ATTACHMENT		css
BACKGROUND-CLIP	lets you control how far a background image or color extends beyond an element's padding or content	css
BACKGROUND-COLOR	applies solid colors as background on an element	css
BACKGROUND-IMAGE	applies a graphic or gradient to the background of an element	css
BACKGROUND-MODE		css
BACKGROUND-ORIGIN		css
BACKGROUND-POSITION		css
BACKGROUND-REPEAT	if the background image property is specified, it defines how it will repeat	css
BACKGROUND-SIZE		css
BAREMODULE		julia
BASE		c#, html
BASEFONT		html
BDI		html
BDO		html
BECOME		rust
BEGIN		julia, verilog, ocaml, ruby
BIG		html
BITAND	used as an alternative for &	c++	Logical operator
BITOR	used as an alternative for		c++
BITSTYPE		julia
BLOCKQUOTE		html
BODY	Marks the content of the page that gets rendered on the browser. It can have paragraphs, headings, tables, images etc.	html	References
BOOL		c#, c++, python
BOOLEAN	A binary value commonly used to denote 'true' or 'false'	typescript, java	'truth-values'
BORDER	Used to specify color, image, width, spacing etc. of the border around an element	css
BORDER-BOTTOM	Used to set the style of bottom border of element. e.g. h1 {border-bottom: 10px solid black;}	css
BORDER-COLLAPSE	Used usually to define border property of cells in a table, to set whether the border of cells should collapse or remain separate. e.g. #table1{border-collapse: separate;}	css
BORDER-COLOR	Used to set the color of the border. It can accept single or multiple values. If a single value is mentioned then all the border sides are of that color otherwise its dependent on the order in which colors are specified. e.g. div {border-color: red;}. It can also accept hexadecimal color codes	css
BORDER-IMAGE		css
BORDER-LEFT	Used to specifically set the left border of an element.	css
BORDER-OUTSET		css
BORDER-RADIUS		css
BORDER-REPEAT		css
BORDER-RIGHT	Used to specifically set the right border of an element.	css
BORDER-SLICE		css
BORDER-SOURCE		css
BORDER-SPACING	Used to set spacing between the borders of adjacent cells. This property works when the border-collapse property is set to separate. e.g. {border-collapse: separate; border-spacing: 20px;} This would set spacing of 20px between table cells from all sides.	css
BORDER-STYLE	Used to set the style of the border around four sides of an element.	css
BORDER-TOP	Used to specifically set the top border of an element.	css
BORDER-WIDTH	Poperty is used to specify the width of the four borders around an element.	css
BOTTOM		css
BOX		rust
BOX-BREAK		css
BOX-SHADOW		css
BOX-SIZING		css
BR		html
BREAK	used to alter the loop's normal behavior; this will end the smallest loop it is in and control flows to the statement immediately below the loop	c#, java, swift, javascript, python, julia, golang, rust, c, typescript, afl, php, c++, ruby	Loops
BREAK-AFTER		css
BREAK-BEFORE		css
BREAK-INSIDE		css
BROKEN
BUF		verilog
BUFIF0		verilog
BUFIF1		verilog
BUG
BUTTON		html
BYTE	Unit of measuring memory space. 1 Byte = 8 bits.	c#, java, c++, c
CALLABLE	callable function checks and returns True if the object passed appears to be callable, otherwise False.	php, python	inbuilt function	There may be few cases where callable() returns true, but the call to object fails. But if a case returns False, calling object will never succeed.
CANVAS		html
CAPTION		html
CAPTION-SIDE		css
CARET-COLOR		css
CASE	Used in switch statements. Each case keyword is followed by a possible value for the condition	c#, java, swift, javascript, golang, php, bash, scala, typescript, afl, verilog, c++, haskell, c, ruby
CASEX		verilog
CASEZ		verilog
CATCH	Used along with `try` to handle an exception thrown in try block. Catch block contains code to handle the specific exception thrown.	c#, swift, javascript, julia, php, scala, typescript, c++, java	Exceptions
CENTER	Used as the property value to center the text of the element. e.g. div {text-align: center;} would align the text in this element to center.	html
CHAN		golang